import java.util.Scanner;

public class Test3 {
    public static void main(String[] args) {
        //https://blog.csdn.net/weixin_48573653/article/details/116034059?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_baidulandingword~default-1.pc_relevant_default&spm=1001.2101.3001.4242.2&utm_relevant_index=4
        Scanner sc = new Scanner(System.in);
        //sc.next返回值是String类型，所以用String值接受即可
        String letter = sc.nextLine();

    }

    public static int romanToInt(String s) {
        int num=0;


        return num;
    }
}
